musculus constrictor的用法和樣例：
例句
- The cricopharyngeal muscle, a component of the inferior constrictor, forms the muscular orifices of the esophagus.
環狀咽肌是肌下縮肌中的一個組織，形成食道的肌肉。 - The superior pharyngeal constrictor assists in gaining velopharyngeal closure, while peristaltic movement of food is facilitated by the middle and inferior pharyngeal constrictors.
咽縮上肌輔助顎咽的閉鎖，而咽上縮肌和咽縮中肌使食物蠕動較容易。
